Life on our planet began in the water. Eventually, one branch of the fish family tree developed legs and came up on land.

More than 100 million years ago, a flying reptile called a pterosaur flew over the oceans hunting squid and fish.

Three species that lived about 308 million years ago challenge the idea that the first land vertebrates underwent ...

Baby crocodile-like early tetrapods called embolomeres. New fossil evidence suggests that these embolomeres did not undergo a metamorphosis the way that modern amphibians do when growing up, which ...

The early four-legged animals, the tetrapods, were the forebears of today’s mammals, birds, reptiles, and amphibians. The post Fossilized babies of ancient predators show how life on Earth was like ...